Area of Circles, Sectors, Segments

What region of a circle is defined as the region bounded by two radii and their intercepted arc.

• sector

• segment

• arc

• angle

is the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure

what is the area of this semicircle ?

• 100.48cm²

• 80cm²

• 200.96cm²

• 25.12cm²

Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.

• 9.2 in²

• 10.5 in²

• 31.4 in²

• 38.2 in²

Find the arc length. Leave your answer in terms of π.

• 7/4π cm

• 7/2π cm

• 1/8π cm

• 45π cm

Find the area of the shaded sector of the circle.

• 42.41 m²

• 25.66 m²

• 137.44 m²

• 155.31 m²

In circle O, the radius is 4 m, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest hundredth.

• 5.21m

• 8.93 m

• 8.38 m

• 16.75 m

If Pacman's mouth, when open, is 70° and the radius of his mouth is 8mm, what is the area of Pacman's body?

• 162 mm²

• 6.6 mm²

• 40 mm²

• 290 mm²

The distance along an arc measured in linear units is called the _____.

• area of a sector

• arc length

• arc of a circle

• sector of a circle

What are the coordinates of the center and the radius of the circle with equation:(x - 4)² + (y - 3)² = 25 ?

• Center (4,3)

  Radius = 5 units

• Center (4,3)

  Radius = 25 units

• Center (-4,-3)

  Radius = 25 units

• Center (-4,-3)

  Radius = 5 units